Unpowered rollgang turntable with self-aligning ball bearing and rotating shaft

Abstract

The utility model relates to an unpowered roll gang turntable with a self-aligning ball bearing and a rotating shaft, which is characterized in that the center of the turntable is welded and fixed with a turntable rotating shaft sleeve, the turntable rotating shaft sleeve is fixed with the top end of a turntable rotating shaft through a turntable connecting shaft pin, and the turntable rotating shaft is sleeved in a bearing sleeve. Self-aligning bearings are respectively arranged at the upper part and the middle part of the turntable rotating shaft, a pressure bearing is arranged at the bottom of the turntable rotating shaft, a pressure bearing fixing groove is formed in the turntable base, the pressure bearing is arranged in the pressure bearing fixing groove, and the turntable base is fixedly connected with the bearing sleeve through a bearing sleeve fixing foot; the rotating disc drives the rotating disc rotating shaft to rotate, and the rotating disc rotating shaft rotates in the bearing sleeve through the self-aligning bearing and the pressure bearing. The rotating shaft is wrapped by three sets of bearings in all directions, forward rotation and reverse rotation are flexible and smooth, rotation damping is small, and the labor intensity of production line operators is greatly relieved.

Description

Technical Field

[0001] The utility model relates to a non-powered conveying roller turntable with a self-aligning ball bearing and a rotating shaft. Background Art

[0002] In roller conveyor systems, there are manually rotated turntables. This type of turntable is manually rotated for material inspection and sorting, so it needs to be flexible and easy to rotate, and avoid unbalanced rotation. Utility Model Content

[0003] The utility model provides a non-powered conveying roller turntable with a self-aligning ball bearing and a rotating shaft. The rotating shaft is fully wrapped with three sets of bearings. The forward and reverse rotation is flexible and smooth with low rotation damping, which greatly reduces the labor intensity of production line operators.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A non-powered conveyor roller turntable with a self-aligning ball bearing and a rotating shaft, characterized in that: the center of the turntable is welded and fixed to the turntable shaft sleeve, the turntable shaft sleeve is fixed to the top of the turntable shaft by a turntable coupling pin, the turntable shaft is sleeved in the bearing sleeve, the upper and middle parts of the turntable shaft are respectively provided with self-aligning bearings, the bottom of the turntable shaft is provided with a pressure bearing, a pressure bearing fixing groove is provided on the turntable base, the pressure bearing is arranged in the pressure bearing fixing groove, and the turntable base is fixedly connected to the bearing sleeve by a bearing sleeve fixing foot;

[0006] The turntable drives the turntable shaft to rotate, and the turntable shaft rotates in the bearing sleeve through the self-aligning bearing and the pressure bearing.

[0007] The unpowered conveyor roller turntable with a self-aligning ball bearing and a rotating shaft, wherein: the bearing sleeve is fastened to the self-aligning bearing as a whole through four spring screws, a self-aligning bearing concave keyway is provided on the inner wall of the self-aligning bearing, and axial convex keys are respectively provided on the upper and middle parts of the turntable rotating shaft, the self-aligning bearing concave keyway is fixed to the axial convex key, so that the inner wall of the self-aligning bearing is fixedly connected to the turntable rotating shaft.

[0008] The unpowered conveyor roller turntable with a self-aligning ball bearing and a rotating shaft, wherein: a groove ring on the axial surface and a groove ring below the axial surface are respectively provided on the turntable rotating shaft, and a retaining spring is respectively provided in the groove ring on the axial surface and the groove ring below the axial surface to fix the turntable rotating shaft and the self-aligning bearing.

[0009] The unpowered conveying roller turntable with the self-aligning ball bearing and the rotating shaft, wherein: the distance between the self-aligning bearing located at the upper part and the turntable is 1 / 2 of the distance between the two bearings.

[0010] The unpowered conveying roller turntable with the self-aligning ball bearing and the rotating shaft comprises a rubber buffer ring provided between the bearing sleeve and the bearing sleeve fixing foot.

[0011] The unpowered conveying roller turntable with a self-aligning ball bearing and a rotating shaft is characterized in that: a rotating shaft fixing pin hole is provided at the top end of the rotating shaft of the turntable, and the rotating shaft connecting pin passes through the rotating shaft fixing pin hole for fixing the rotating shaft of the turntable to the rotating shaft sleeve of the turntable.

[0012] The beneficial effects of the present invention are as follows: three sets of bearings are used to wrap the rotating shaft in all directions. Except for contact with the rotating part of the bearing, the rotating shaft and the auxiliary rotating components do not contact other fixed components. The forward and reverse rotation is flexible and smooth, and the rotation damping is small, which greatly reduces the labor intensity of the production line operators. It can carry a weight of 2 tons and still rotate flexibly and effortlessly. The eccentric placement of materials does not affect the concentric rotation of the rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural diagram of a non-powered conveyor roller turntable with self-aligning ball bearings and a rotating shaft.

[0014] Figure 2 It is the structural diagram of the self-aligning ball bearing.

[0015] Figure 3 It is a structural diagram of the turntable shaft.

[0016] Figure 4 This is a structural diagram of the turntable shaft and the self-aligning ball bearing connected and fixed.

[0017] Figure 5 This is a top view of the structure of the rotating shaft sleeve fixing the turntable shaft through the bearing jackscrew.

[0018] Figure 6 This is a structural diagram of the turntable shaft being fixed to the turntable base via a pressure bearing.

[0019] Explanation of the accompanying symbols: 1-turntable; 2-turntable connecting pin; 3-turntable shaft sleeve; 4-bearing sleeve; 5-turntable shaft; 6-self-aligning bearing; 7-shaft fixing pin hole; 8-bearing top screw; 9-pressure bearing; 10-bearing daily fixing foot; 11-turntable base; 12-spherical bearing concave keyway; 13-axial convex key; 14-axial upper retaining ring; 15-axial lower retaining ring; 16-pressure bearing fixing groove. DETAILED DESCRIPTION

[0020] like Figures 1 to 6As shown, a non-powered conveyor roller turntable with a self-aligning ball bearing and a rotating shaft is characterized in that: the center of the turntable 1 is welded and fixed to the turntable shaft sleeve 3, the top of the turntable shaft 5 is provided with a shaft fixing pin hole 7, the turntable coupling pin 2 passes through the shaft fixing pin hole 7, for the turntable shaft 5 to be fixed to the turntable shaft sleeve 3, the turntable shaft 5 is sleeved in the bearing sleeve 4, the upper and middle parts of the turntable shaft 5 are respectively provided with self-aligning bearings 6, the bearing sleeve 4 is fastened to the self-aligning bearing 6 as a whole through four spring top wires 8, the inner wall of the self-aligning bearing 6 is provided with a self-aligning bearing concave keyway 12, the upper and middle parts of the turntable shaft 5 are respectively provided with an axial surface convex key 13, the self-aligning bearing concave keyway 12 is fixed to the axial surface convex key 13, for The inner wall of the self-aligning bearing 6 is fixedly connected to the turntable shaft 5, and an upper retaining groove ring 14 and a lower retaining groove ring 15 are respectively provided on the turntable shaft 5. The upper retaining groove ring 14 and the lower retaining groove ring 15 are respectively provided with retaining springs for fixing the turntable shaft 5 and the self-aligning bearing 6. A pressure bearing 9 is provided at the bottom of the turntable shaft 5, and a pressure bearing fixing groove 16 is provided on the turntable base 11. The pressure bearing 9 is arranged in the pressure bearing fixing groove 16. The turntable base 11 is fixedly connected to the bearing sleeve 4 through a bearing sleeve fixing foot 10. A rubber buffer ring is provided between the bearing sleeve 4 and the bearing sleeve fixing foot 10. The distance between the self-aligning bearing 6 located at the upper part and the turntable 1 is 1 / 2 of the distance between the two bearings.

[0021] The turntable 1 drives the turntable shaft 5 to rotate, and the turntable shaft 5 rotates in the bearing sleeve 4 through the self-aligning bearing 6 and the pressure bearing 9.

[0022] In the embodiment, the self-aligning bearing 6 is sleeved on the turntable shaft 5. At this time, the axial convex key 13 slides into the self-aligning bearing concave keyway 12. The top and bottom ends of the self-aligning bearing 6 are respectively provided with retaining springs, and the retaining springs are respectively embedded in the retaining groove ring 14 on the axial surface and the retaining groove ring 15 under the axial surface. The self-aligning bearing 6 is fixedly connected to the turntable shaft 5 as a whole. The above operation is repeated for the other self-aligning bearing 6. The bearing sleeve 4 is sleeved on the turntable shaft 5. The bearing sleeve 4 is fastened to the self-aligning bearing 6 as a whole through four spring top wires 8. The spring The spring top wire 8 is in close contact with the self-aligning bearing 6 without leaving any gap. The pressure bearing 9 is arranged in the pressure bearing fixing groove 16. The pressure bearing 9 is inserted and fixed for the turntable shaft 5. A digital level is used to accurately adjust the verticality of the turntable shaft 5 and install it. When fine-tuning the verticality of the turntable shaft 5, the spring top wire 8 is fine-tuned in four dimensions. The spring top wire 8 is only tightened and not loosened. After the verticality of the turntable shaft 5 is adjusted, the spring top wire 8 is fixed with a nut. Ensure that the spring top wire 8 is not loose, the turntable base 11 is fixedly connected to the bearing sleeve 4 through the bearing sleeve fixing foot 10, a rubber buffer ring is set between the bearing sleeve 4 and the bearing sleeve fixing foot 10, and then the verticality of the bearing sleeve 4 is adjusted by a digital level. The bearing sleeve 4 and the bearing sleeve fixing foot 10 are fixedly connected by fasteners. Finally, the turntable shaft sleeve 3 of the turntable 1 is sleeved on the turntable shaft 5, and the turntable coupling pin 2 passes through the shaft fixing pin hole 7. The two ends of the disk coupling pin 2 are respectively fastened with nuts, and the turntable 1 is connected to the turntable shaft 5. The turntable 1 can rotate smoothly clockwise or counterclockwise because the outer ring raceway surface of the self-aligning bearing 6 is a curved surface, and the center of curvature of the outer ring raceway surface is consistent with the center of the self-aligning bearing 6. When the turntable shaft 5 and the bearing sleeve 4 are bent, they can be automatically adjusted without increasing the burden on the self-aligning bearing 6. Even if the material is placed eccentrically on the turntable 1, it will not affect the concentric rotation of the turntable shaft 5 and the self-aligning bearing 6.

[0023] The above embodiments are merely illustrative of the present invention and are not intended to limit the scope of protection of the present invention. Those skilled in the art may make simple changes or substitutions based on the above embodiments without departing from the technical concept of the present invention, and these changes still fall within the scope of protection of the present invention.

Claims

1. A non-powered conveyor roller turntable with a self-aligning ball bearing and a rotating shaft, characterized by: The center of the turntable (1) is welded and fixed to the turntable shaft sleeve (3), the turntable shaft sleeve (3) is fixed to the top of the turntable shaft (5) through the turntable coupling pin (2), the turntable shaft (5) is sleeved in the bearing sleeve (4), the upper part and the middle part of the turntable shaft (5) are respectively provided with self-aligning bearings (6), the bottom of the turntable shaft (5) is provided with a pressure bearing (9), the turntable base (11) is provided with a pressure bearing fixing groove (16), the pressure bearing (9) is provided in the pressure bearing fixing groove (16), and the turntable base (11) is fixedly connected to the bearing sleeve (4) through the bearing sleeve fixing foot (10); The turntable (1) drives the turntable shaft (5) to rotate, and the turntable shaft (5) rotates in the bearing sleeve (4) through the self-aligning bearing (6) and the pressure bearing (9).

2. The unpowered conveyor roller turntable with self-aligning ball bearings and a rotating shaft according to claim 1, characterized in that: The bearing sleeve (4) is fastened to the self-aligning bearing (6) through four spring top wires (8) to form a whole. A self-aligning bearing concave keyway (12) is provided on the inner wall of the self-aligning bearing (6). An axial convex key (13) is provided on the upper part and the middle part of the turntable shaft (5). The self-aligning bearing concave keyway (12) is fixed to the axial convex key (13) to provide a fixed connection between the inner wall of the self-aligning bearing (6) and the turntable shaft (5).

3. The unpowered conveyor roller turntable with self-aligning ball bearings and a rotating shaft according to claim 1, characterized in that: The turntable shaft (5) is provided with a groove ring (14) on the shaft surface and a groove ring (15) below the shaft surface, respectively. Circlips are provided in the groove ring (14) on the shaft surface and the groove ring (15) below the shaft surface, respectively, for fixing the turntable shaft (5) and the self-aligning bearing (6).

4. The unpowered conveyor roller turntable with self-aligning ball bearings and a rotating shaft according to claim 1, characterized in that: The distance between the self-aligning bearing (6) located at the upper part and the turntable (1) is 1 / 2 of the distance between the two bearings.

5. The unpowered conveyor roller turntable with self-aligning ball bearings and a rotating shaft according to claim 1, characterized in that: A rubber buffer ring is provided between the bearing sleeve (4) and the bearing sleeve fixing foot (10).

6. The unpowered conveyor roller turntable with self-aligning ball bearings and a rotating shaft according to claim 1, characterized in that: A shaft fixing pin hole (7) is provided at the top end of the turntable shaft (5), and the turntable shaft coupling pin (2) passes through the shaft fixing pin hole (7) for fixing the turntable shaft (5) and the turntable shaft sleeve (3).

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